Star Force
Platform: MSX
Region: Japan
Media: Cartridge
Controller: Keyboard
Genre: Shoot 'em Up - Vertical
Gametype: Licensed
Release Year: 1985
Developer: Tehkan 
Publisher: Hudson Soft 
Players: 1
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You are a spaceship pilot shooting enemy spacecraft and ground targets. Pick up the special letter symbols for bonuses and additional power-ups. Levels or areas are named after the Greek letter alphabet and the end boss at the end of each area must be defeated before you can continue to the next area.
 
http://www.mobygames.com/game/msx/star-force
